Bluetooth-Compatible Audio and Phone Integration: Seamlessly connect this transmitter to Bluetooth-compatible devices to stream your favorite music and answer hands-free calls. The built-in microphone enables hassle-free conversations without needing to pick up your phone. Dual Music Playback Options: Enjoy versatile music options with support for USB storage and Bluetooth-compatible audio playback. This allows you to choose between streaming from your phone or using music preloaded on a USB drive, catering to diverse listening preferences. Quick Automatic Pairing for Instant Use: Designed with convenient automatic pairing, this transmitter instantly connects to previously paired devices upon power-up. This feature minimizes setup time, allowing for a seamless connection every time you start your car. 3.1A Fast Charging USB Port: The transmitter includes a 3.1A USB charging port, providing ample power to efficiently charge portable devices. Suitable for 12V-24V power sources, it meets the charging needs of various vehicle types. LED Backlight for Easy Use in the Dark: The LED backlight enhances visibility, making it easy to locate buttons and ports, even during nighttime travels. This subtle illumination creates a user-friendly experience while adding a modern touch to your car's interior.